cloeman a/c fan humming while running
Posted: Sun Jun 13, 2010 6:42 pm
i have a coleman presidential outside unit.had to replace the capacitor. dual motor type.
had a 40 + 5 uf 370v replaced with 40 + 5 uf 440v . the unit seems to be cooling ok but the condenser fan makes a loud humming noise when running.i took the fan lead off the capacitor while it was running and the hum went away. good or not thats what i did haha. seemes the motor might have slowed a bit really couldnt tell maybe the hum going away made me think it slowed.
also i oiled the fan motor had 2 holes with plugs for oiling purposes.the humming is kinda loud and deffinately annoying. is it possible the fan motor is going bad. the motor is 28 years old.
THANKS GUYS great site...........mobilguy
had a 40 + 5 uf 370v replaced with 40 + 5 uf 440v . the unit seems to be cooling ok but the condenser fan makes a loud humming noise when running.i took the fan lead off the capacitor while it was running and the hum went away. good or not thats what i did haha. seemes the motor might have slowed a bit really couldnt tell maybe the hum going away made me think it slowed.
also i oiled the fan motor had 2 holes with plugs for oiling purposes.the humming is kinda loud and deffinately annoying. is it possible the fan motor is going bad. the motor is 28 years old.
THANKS GUYS great site...........mobilguy